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Observation of an unexpected negative magnetoresistance in magnetic Weyl semimetal CoSnS
Ali G. Moghaddam, Kevin Geishendorf, Richard Schlitz +8
Time-reversal symmetry breaking allows for a rich set of magneto-transport properties related to electronic topology. Focusing on the magnetic Weyl semimetal CoSnS, we…
Wilsonian Renormalization as a Quantum Channel and the Separability of Fixed Points
Matheus H. Martins Costa, Jeroen van den Brink, Flavio S. Nogueira +1
We show that the Wilsonian formulation of the renormalization group (RG) defines a quantum channel acting on the momentum-space density matrices of a quantum field theory. This inf…
Disorder effects in the Kitaev-Heisenberg model
Ayushi Singhania, Jeroen van den Brink, Satoshi Nishimoto
We study the interplay of disorder and Heisenberg interactions in Kitaev model on honeycomb lattice. The effect of disorder on the transition between Kitaev spin liquid and magneti…
Magnetoelectricity induced by rippling of magnetic nanomembranes and wires
Carmine Ortix, Jeroen van den Brink
Magnetoelectric crystals have the interesting property that they allow electric fields to induce magnetic polarizations, and vice versa, magnetic fields to generate ferroelectric p…
Field-induced spin reorientation transitions in antiferromagnetic ring-shaped spin chains
Yelyzaveta A. Borysenko, Denis D. Sheka, Jürgen Fassbender +3
Easy axis antiferromagnets are robust against external magnetic fields of moderate strength. Spin reorientations in strong fields can provide an insight into more subtle properties…
Electronic excitations and spin interactions in chromium trihalides from embedded many-body wavefunctions
Ravi Yadav, Lei Xu, Michele Pizzochero +3
Although chromium trihalides are widely regarded as a promising class of two-dimensional magnets for next-generation devices, an accurate description of their electronic structure…